As people continue washing their hands to keep COVID-19 at bay, products that reliably protect the skin from degrading will become an important way to maintain a strong defense. Sponsored content ...

What is mucus? Why does your body produce it? Mucus is the body’s natural moisturizer and provides a first line of defense against irritants from the outside environment. It lubricates the ...

It's our first line of defence - our skin. Your skin is amazing. The largest organ in your body - up to two meters squared. Each centimetre of skin is built from ten million individual cells.

It is part of the body's non-specific first line of defence. It is hydrochloric acid and, while it does us no harm, it is strong enough to kill any pathogens that have been caught in mucus in the ...